Font size
Worksheetsstatistics and numerical methods
Total questions: 20
Worksheet time: 11mins
Numerical techniques more commonly involve
Elimination method
Reduction method
Iterative method
Direct method
Which of the following is an iterative method?
Gauss Seidel
Gauss Jordan
Factorization
Gauss Elimination
Errors may occur in performing numerical computation on the computer due to which of the following reasons
Operator fatigue
Back substitution
Rounding errors
Power fluctuation
Which of the following is also known as the Newton Raphson method?
Chord method
Tangent method
Diameter method
Secant method
If EF exists, then (EF)-1 will be equal to which of the following?
F-1 E-1
E-1 F-1
EF
FE
The Gauss Jordan method reduces a original matrix into a _____________
Skew Hermitian matrix
Non-symmetric matrix
Identity matrix
Null matrix
Which of the following is an assumption of Jacobi’s method?
The coefficient matrix has zeroes on its main diagonal
The coefficient matrix has no zeros on its main diagonal
The rate of convergence is quite slow compared with other methods
Iteration involved in Jacobi’s method converges
when we can't use the Newton Raphson method
f(x)=0
f’(x)=c
f’’(x)=0
f’(x)=0
Which of these methods is named after the mathematician Carl Friedrich Gauss?
Gauss Jordan method
Runge Kutta method
Secant method
Newton Raphson method
For decreasing the number of iterations in Newton Raphson method:
The value of f’(x) must be increased
The value of f’’(x) must be decreased
The value of f’(x) must be decreased
The value of f’’(x) must be increased
The order of error s the Simpson's rule for numercal integration with a step size h is
h
h2
h3
h4
In simpson’s 1/3 rule, curve y= f(x) is considered to be a
Hyperbola
Parabola
Circle
Straight line
Mathematical models provide
estimated results
accurate results
wrong results
approximate results
ANOVA.--------EXPANSION
Analysis of variance
Analysis of variable
Analysis of value
Analysis of optional value
What is an extension of two-way ANOVA?
A two-way ANOVA is an extension of the one-way ANOVA
A two-way ANOVA is an extension of the 2X2 ANOVA
A two-way ANOVA is an extension of the THREE WAY ANOVA
A two-way ANOVA is an extension of the LATIN SQUARE ANOVA
hypothesis and the decision making procedure about the hypothesis is called
hypothesis testing
population
sample
random sampling
statistical investigation the group[ of individual under study is called
universe
population
sampling
parameters
the mean and the standard deviation of population is called
parameter
statistics
sample
population
some basic design of experiment
completely randomized design
randomized block design
Latin square
design
none od the above
various objects of comparison in a comparative experiment are called
treatments
experiment
design
variance
